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United States Patent | 5,744,357 |
Wang ,   et al. | April 28, 1998 |
A contact lens production line pallet system transports contact lens mold materials throughout a facility for producing ophthalmic lenses. Specifically, the contact lens production line pallet system includes a pallet for carrying one or more contact lens mold assemblies throughout a contact lens production line, the pallet having one or more first recesses formed in a surface thereof for receiving either a first mold half or a complementary second mold half, the first and second mold halves when placed together constitute an individual contact lens mold assembly. A conveyor device for transporting the pallet from station to station throughout the production line facility is provided, as is a locating device formed in the pallet surface for enabling precise positioning of the pallet at one or more manufacturing stations in the production line facility.
Inventors: | Wang; Daniel Tsu-Fang (Jacksonville, FL); Bjerre; Kaj (Ballerup, DK); Christensen; Svend (Allinge, DK); Kindt-Larsen; Ture (Holte, DK); Martin; Wallace Anthony (Orange Park, FL); Walker; Craig William (Jacksonville, FL); Widman; Michael Francis (Jacksonville, FL) |
Assignee: | Johnson & Johnson Vision Products, Inc. (Jacksonville, FL) |
Appl. No.: | 729711 |
Filed: | October 7, 1996 |
Current U.S. Class: | 425/347; 264/1.1; 264/1.32; 425/73; 425/107; 425/135; 425/259; 425/261; 425/404; 425/446; 425/453; 425/454; 425/808; 425/DIG.108; 425/DIG.201 |
Intern'l Class: | B29C 033/34; B29D 011/00 6 |
Field of Search: | 425/73,74,107,135,259,261,347,404,453,454,808,DIG. 200,DIG. 201,186,DIG. 108,44 264/25,1.1,1.32 |
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3422168 | Jan., 1969 | Bowser | 425/DIG. |
3506755 | Apr., 1970 | Rudder et al. | 425/DIG. |
3938775 | Feb., 1976 | Sarofeen | 425/808. |
3973891 | Aug., 1976 | Yamada | 425/DIG. |
4025268 | May., 1977 | Taylor | 425/DIG. |
4132518 | Jan., 1979 | Rips | 425/808. |
4402659 | Sep., 1983 | Greenbaum | 425/808. |
4495313 | Jan., 1985 | Larsen. | |
4565348 | Jan., 1986 | Larsen. | |
4640489 | Feb., 1987 | Larsen. | |
4680336 | Jul., 1987 | Larsen et al. | |
4691820 | Sep., 1987 | Martinez. | |
4786444 | Nov., 1988 | Hwang | 425/808. |
4889664 | Dec., 1989 | Kindt-Larsen et al. | |
5039459 | Aug., 1991 | Kindt-Larsen et al. | |
5080839 | Jan., 1992 | Kindt-Larsen. | |
5094609 | Mar., 1992 | Kindt-Larsen. | |
5435943 | Jul., 1995 | Adams et al. | 425/808. |